/*
 * BufferCache.kt
 *
 * Copyright (C) 2017 Retrograde Project
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.codebutler.retrograde.common

class BufferCache {

    private var buffer: ByteArray? = null

    fun getBuffer(size: Int): ByteArray {
        var buffer = buffer
        if (buffer == null || buffer.size != size) {
            buffer = ByteArray(size)
            this@BufferCache.buffer = buffer
        }
        return buffer
    }
}
